If you've got a hankering for some intellectual stimulation, make a trip to Dakota Territorial Museum. Whether it's history, traditions or cultural practices, you'll find plenty of fascinating displays to keep you entertained here.
You'll have sightseeing choices galore when visiting Yankton. Dakota Territorial Museum is a good place to start here, but there are loads of other interesting spots to appreciate. Lewis and Clark Recreation Area, Chief White Crane Recreation Area, and Riverside Park are not far from the collection of historical artifacts and will fill in your day nicely.